NASA has released more videos of the mesmerising northern lights, captured from the International Space Station. Some of the videos show bright city lights of the northern United States and Canada.
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A spectacular video of the space station flying above the Northern Lights (Aurora Borealis).
Auroras are caused when charged particles ejected from the sun slam into Earth’s atmosphere. These particles are usually guided along Earth’s magnetic field lines to the polar regions, which is why skywatchers in higher latitudes see them much more often than folks in more temperate climes do.